1// { dg-do compile } 2// { dg-options "-std=gnu++17" } 3 4// Copyright (C) 2013-2023 Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21// C++17 27.7, range access [iterator.range] 22 23#include <string_view> 24 25void 26test01() 27{ 28 std::wstring_view ws(L"Hello, World!"); 29 std::begin(ws); 30 std::end(ws); 31 std::rbegin(ws); 32 std::rend(ws); 33} 34 35void 36test02() 37{ 38 constexpr std::wstring_view ws(L"Hello, World!"); 39 [[maybe_unused]] constexpr auto b = std::begin(ws); 40 [[maybe_unused]] constexpr auto e = std::end(ws); 41 [[maybe_unused]] constexpr auto cb = std::cbegin(ws); 42 [[maybe_unused]] constexpr auto ce = std::cend(ws); 43 [[maybe_unused]] constexpr auto rb = std::rbegin(ws); 44 [[maybe_unused]] constexpr auto re = std::rend(ws); 45 [[maybe_unused]] constexpr auto crb = std::crbegin(ws); 46 [[maybe_unused]] constexpr auto cre = std::crend(ws); 47} 48